1 files changed, 63 insertions, 0 deletions
diff --git a/test/tap/check-os-reqs.js b/test/tap/check-os-reqs.js
new file mode 100644
index 000000000..5d0c1ecf7
--- /dev/null
+++ b/test/tap/check-os-reqs.js
@@ -0,0 +1,63 @@
+'use strict'
+var path = require('path')
+var fs = require('fs')
+var test = require('tap').test
+var osenv = require('osenv')
+var mkdirp = require('mkdirp')
+var rimraf = require('rimraf')
+var common = require('../common-tap.js')
+
+var base = path.join(__dirname, path.basename(__filename, '.js'))
+var installFrom = path.join(base, 'from')
+var installIn = path.join(base, 'in')
+
+var json = {
+  name: 'check-os-reqs',
+  version: '0.0.1',
+  description: 'fixture',
+  os: ['fake-os']
+}
+
+test('setup', function (t) {
+  setup()
+  t.end()
+})
+
+var INSTALL_OPTS = ['--loglevel', 'silly']
+var EXEC_OPTS = {cwd: installIn}
+
+test('install bad os', function (t) {
+  common.npm(['install', installFrom].concat(INSTALL_OPTS), EXEC_OPTS, function (err, code) {
+    t.ifError(err, 'npm ran without issue')
+    t.is(code, 1, 'npm install refused to install a package in itself')
+    t.end()
+  })
+})
+test('force install bad os', function (t) {
+  common.npm(['install', '--force', installFrom].concat(INSTALL_OPTS), EXEC_OPTS, function (err, code) {
+    t.ifError(err, 'npm ran without issue')
+    t.is(code, 0, 'npm install happily installed a package in itself with --force')
+    t.end()
+  })
+})
+
+test('cleanup', function (t) {
+  cleanup()
+  t.end()
+})
+
+function cleanup () {
+  process.chdir(osenv.tmpdir())
+  rimraf.sync(base)
+}
+
+function setup () {
+  cleanup()
+  mkdirp.sync(path.resolve(installFrom, 'node_modules'))
+  fs.writeFileSync(
+    path.join(installFrom, 'package.json'),
+    JSON.stringify(json, null, 2)
+  )
+  mkdirp.sync(path.resolve(installIn, 'node_modules'))
+  process.chdir(base)
+}